420150553312450 has 24 divisors (see below), whose sum is σ = 781710622580340. Its totient is φ = 168010631342400.

The previous prime is 420150553312403. The next prime is 420150553312507. The reversal of 420150553312450 is 54213355051024.

It can be written as a sum of positive squares in 6 ways, for example, as 238168321886209 + 181982231426241 = 15432703^2 + 13490079^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239578421 + ... + 1239917320.

Almost surely, 2^{420150553312450} is an apocalyptic number.

420150553312450 is a deficient number, since it is larger than the sum of its proper divisors (361560069267890).

420150553312450 is a wasteful number, since it uses less digits than its factorization.

420150553312450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479499142 (or 2479499137 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 420150553312450 in words is "four hundred twenty trillion, one hundred fifty billion, five hundred fifty-three million, three hundred twelve thousand, four hundred fifty".